Home / 3,936,601.72-5,432,510.70-2,217,721.78

Finding the Fourth Proportional to 3,936,601.72, 5,432,510.70 and 2,217,721.78

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Solution

The fourth proportional to 3,936,601.72, 5,432,510.70 and 2,217,721.78 is: 3,060,456.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936,601.72 : 5,432,510.70 = 2,217,721.78 : x
  2. Step 2: Convert to fraction form
    3,936,601.72/5,432,510.70 = 2,217,721.78/x
  3. Step 3: Cross multiply
    3,936,601.72x = 5,432,510.70 × 2,217,721.78
  4. Step 4: Simplify right side
    3,936,601.72x = 12,047,797,299,473.04
  5. Step 5: Solve for x
    x = 12,047,797,299,473.04/3,936,601.72
  6. Step 6: Final answer
    x = 3,060,456.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.